Home / 8,750,619.40-12,075,857-4,830,377.76

Finding the Fourth Proportional to 8,750,619.40, 12,075,857 and 4,830,377.76

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Solution

The fourth proportional to 8,750,619.40, 12,075,857 and 4,830,377.76 is: 6,665,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,619.40 : 12,075,857 = 4,830,377.76 : x
  2. Step 2: Convert to fraction form
    8,750,619.40/12,075,857 = 4,830,377.76/x
  3. Step 3: Cross multiply
    8,750,619.40x = 12,075,857 × 4,830,377.76
  4. Step 4: Simplify right side
    8,750,619.40x = 58,330,951,085,740.32
  5. Step 5: Solve for x
    x = 58,330,951,085,740.32/8,750,619.40
  6. Step 6: Final answer
    x = 6,665,922.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.